Factor Info

ID 21157
Size 448 digits / 1488 bits
Status composite
Value 6953998436884123675306291633141719702562011719417222135403213812367074122506460051146002692347630791607177146632825031140938220808203037732253333087717741724010607887022613326030696009917535992064696702466757364658971830273752664921555793599800967268838068991643619079238565732556668562038437377080648813772679215343444642729923234395771133446172848259876057471651497131017518409894169485149806374150012496949083389251016827536865479750845959629891

Factorizations

Primary (ID: 6706) 717433171088016374418821 (proven prime)
(ID: 21158) 9692886692621285183047842456979986863927848492820589745364108675743025756168271467637636612280861553190031186239850675391458612396157690874243106473791428927461995180159992118121586659201329546959602309175847129510714021368512596946725285858917892252849582282706101873381899757129761059616122102815338402567580837913711467242876970419555321564033668768456241062158510130810227614975581045260754039028595756092768731358181671 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.